https://github.com/swelcker/cmd.csp.similarity

A library implementing different string similarity and distance measures for ease of use. A dozen of algorithms (including Levenshtein edit distance and sibblings, Jaro-Winkler, Longest Common Subsequence, cosine similarity etc.) are currently implemented.
https://github.com/swelcker/cmd.csp.similarity

nlp-library similarity similarity-detection similarity-measurement similarity-measures similarity-score text-analysis text-processing

Last synced: about 2 months ago
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A library implementing different string similarity and distance measures for ease of use. A dozen of algorithms (including Levenshtein edit distance and sibblings, Jaro-Winkler, Longest Common Subsequence, cosine similarity etc.) are currently implemented.

• Host: GitHub
• URL: https://github.com/swelcker/cmd.csp.similarity
• Owner: swelcker
• License: mit
• Created: 2019-10-21T13:43:24.000Z (over 5 years ago)
• Default Branch: master
• Last Pushed: 2019-10-22T07:39:54.000Z (over 5 years ago)
• Last Synced: 2025-02-16T16:35:50.354Z (4 months ago)
• Topics: nlp-library, similarity, similarity-detection, similarity-measurement, similarity-measures, similarity-score, text-analysis, text-processing
• Language: Java
• Homepage:
• Size: 29.3 KB
• Stars: 1
• Watchers: 1
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE
  • Code of conduct: CODE_OF_CONDUCT.md

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# cmd.csp.similarity

[![License: MIT](https://img.shields.io/badge/License-MIT-yellow.svg)](https://opensource.org/licenses/MIT)

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A library implementing different string similarity and distance measures for ease of use. A dozen of algorithms (including Levenshtein edit distance and sibblings, Jaro-Winkler, Longest Common Subsequence, cosine similarity etc.) are currently implemented.

Used in the Cognitive Service Platform cmd.csp for NLP and classifier part.

### Prerequisites

There are no prerequisites. 

Included dependencies:

```xml

    net.jcip

    jcip-annotations

    1.0

```

### Installing/Usage

To use, merge the following into your Maven POM (or the equivalent into your Gradle build script):

```xml

  github

  GitHub swelcker Apache Maven Packages

  https://maven.pkg.github.com/swelcker

  cmd.csp

  cspsimilarity

  1.0.0

```

Then, import cmd.csp.postagger.*;` in your application :

```java

// Example

import cspsimilarity.*;

...

	private NormalizedLevenshtein engineNL = new NormalizedLevenshtein();

	private JaroWinkler engineJW = new JaroWinkler();

	private MetricLCS engineMLCS = new MetricLCS();

	private NGram engineNGRAM = new NGram(3);

	private Cosine engineCOSINE = new Cosine(9);

	private Jaccard engineJACARD = new Jaccard(9);

	private SorensenDice engineSOREDICE= new SorensenDice(9);

...

    String source = (sourceText);

    String search = (toSearch);

    double sS=0d;

    sS=(engineNL.similarity(source, search));

    sS=(engineJW.similarity(source, search));

    sS=(1d-engineMLCS.distance(source, search));

    sS=(1d-engineNGRAM.distance(source, search));

    sS=(engineCOSINE.similarity(source, search));

    sS=(engineJACARD.similarity(source, search));

    sS=(engineSOREDICE.similarity(source, search));

```

## Built With

* [Maven](https://maven.apache.org/) - Dependency Management

## Contributing

Please read [CONTRIBUTING.md](https://gist.github.com/PurpleBooth/b24679402957c63ec426) for details on our code of conduct, and the process for submitting pull requests to us.

## Versioning

We use [SemVer](http://semver.org/) for versioning. For the versions available, see the [tags on this repository](https://github.com/swelcker/cmd.csp.similarity/tags). 

## Authors

* **Stefan Welcker** - *Modifications based on tdebatty/java-string-similarity* 

See also the list of [contributors](https://github.com/swelcker/cmd.csp.stemmer/contributors) who participated in this project.

## License

This project is licensed under the MIT License - see the [LICENSE.md](LICENSE.md) file for details